1680555519

素因数分解:

$3^4\times {\mathrm{17}}^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:207

約数の個数: 80

約数和(自身を含む): 2758916160

約数和(自身を除く): 1078360641

約数列:

[1, 3, 9, 17, 27, 41, 51, 81, 103, 123, 153, 289, 309, 369, 459, 697, 867, 927, 1107, 1377, 1751, 2091, 2601, 2781, 3321, 4223, 4913, 5253, 6273, 7803, 8343, 11849, 12669, 14739, 15759, 18819, 23409, 29767, 35547, 38007, 44217, 47277, 56457, 71791, 89301, 106641, 114021, 132651, 141831, 201433, 215373, 267903, 319923, 342063, 397953, 506039, 604299, 646119, 803709, 959769, 1220447, 1518117, 1812897, 1938357, 2411127, 3661341, 4554351, 5438691, 5815071, 10984023, 13663053, 16316073, 20747599, 32952069, 40989159, 62242797, 98856207, 186728391, 560185173, 1680555519]

約数ペア:

[(1, 1680555519), (3, 560185173), (9, 186728391), (17, 98856207), (27, 62242797), (41, 40989159), (51, 32952069), (81, 20747599), (103, 16316073), (123, 13663053), (153, 10984023), (289, 5815071), (309, 5438691), (369, 4554351), (459, 3661341), (697, 2411127), (867, 1938357), (927, 1812897), (1107, 1518117), (1377, 1220447), (1751, 959769), (2091, 803709), (2601, 646119), (2781, 604299), (3321, 506039), (4223, 397953), (4913, 342063), (5253, 319923), (6273, 267903), (7803, 215373), (8343, 201433), (11849, 141831), (12669, 132651), (14739, 114021), (15759, 106641), (18819, 89301), (23409, 71791), (29767, 56457), (35547, 47277), (38007, 44217)]